These cards feature scenes from across the Magic Multiverse that fit the shall we say, impulsive nature of these goblins
Even as they brought the beast down, they could feel its poison working into their blood, altering their bodies, and filling their minds with the thrill of the eternal hunt
But Underrealm Lich falls more into the Angel of Suffering mold: a card that can rack up some massive self-mill numbers quickly with the right enablers, and which will also do a lot else for you in the meantime
What attacks does Stunky have
I see a star in the BG, so more of those probably would make it better.
The final ability on the card, which allows its controller to pay three mana and sacrifice another creature to draw cards equal to the sacrificed creatures toughness, then discard cards equal to its power, will pair perfectly with not only walls, but certain treefolk, turtles, and plants, too creature types that will almost certainly fill out an eventual Felothar deck